. >>> also today, mitt romney is expected to pick up another key endorsement. wisconsin congressman and house budget committee chairman paul ryan will back the former massachusetts governor. he could announce his endorsement when romney gives a speech on the economy in appleton, wisconsin, this afternoon. wisconsin holds its primary next tuesday. the same day as primaries in maryland and the district. >>> romney is confirming he secretly met with newt gingrich last friday in new orleans, just a day before louisiana's primary. he says that he and the former house speaker meet from time to time to discuss the issues, but they never reveal campaign strategies. >>> it is 6:06. 46 degrees. still to come, alarming information about autism. >>> also, the dash cam video showing how police reacted the moment they pulled over batman. >>> and a chill back in the air this morning. >>> this is the perhaps the biggest tornado you'll ever see. nasa filmed these massive twisters inside the sun's atmosphere. these tornadoes are wider than several earths. can you even imagine th